| 时间 | 值 （万人） | 世界排名 |
|---|---|---|
| 2016 | 62.8 | 151 |
| 2015 | 60.3 | 154 |
| 2014 | 57.8 | 154 |
| 2013 | 55.2 | 154 |
| 2012 | 52.7 | 154 |
| 2011 | 50.2 | 155 |
| 2010 | 47.9 | 155 |
| 2009 | 45.6 | 155 |
| 2008 | 43.4 | 155 |
| 2007 | 41.2 | 155 |
| 2006 | 39.2 | 155 |
| 2005 | 37.3 | 155 |
| 2004 | 35.6 | 155 |
| 2003 | 34 | 155 |
| 2002 | 32.4 | 155 |
| 2001 | 31 | 155 |
| 2000 | 29.6 | 156 |
| 1999 | 28.6 | 157 |
| 1998 | 27.3 | 159 |
| 1997 | 26 | 159 |
| 1996 | 24.9 | 159 |
| 1995 | 23.9 | 160 |
| 1994 | 23 | 159 |
| 1993 | 22.2 | 159 |
| 1992 | 21.5 | 159 |
| 1991 | 20.8 | 160 |
| 1990 | 20.1 | 160 |